The Alpha Sentinel Half Face Mask is ergonomically designed for optimum protection, comfort and PPE compatibility. This premium reusable respirator is well-balanced and light weight (268g), providing optimum wearer comfort. Available in 3 sizes creating a tailored fit profile, superb fit and comfort for any workforce. Designed & manufactured in the UK to exceed the requirements of EN136:1998. With a range of filters offering protection from both organic and inorganic vapours, particulates and gases, the Alpha Sentinel sets the standard for UK made resuable RPE.